New Airport Express vs DLINK- DIR655

Hey guys, so the infamous dlink router which was voted as top router by many in the 2010-2011 year, im using one until this day, works great, my question is, how would the new redesigned airport express compare to the dlink dir655?

i know the airport express is dual band now, does that mean that i will notice faster speeds with wireless devices? (imac, iphone, ipad, apple tv .. ) ?

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